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DECT or Digital Enhanced (former European)
Cordless Telecommunications is an ETSI standard for digital
portable phones, commonly used for domestic or corporate purposes.
DECT can also be used for wireless data transfers.
The base unit and handset of a British Telecom DECT cordless
telephone
Enlarge
The base unit and handset of a British Telecom DECT cordless
telephone
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Some other DECT properties:
* net bit rate: 32 kbit/s - data: multiple slots of 32kbit/s
* frequency: 1880-1900 MHz in Europe, 1920-1930MHz in the US and South America
* carriers: 10 (1880..1900 MHz)
* timeslots: 2 x 12 (up and down stream)
* channel allocation: dynamic
* traffic density: up to 650 Erlangs/km²
DECT GAP is an interoperability profile for DECT. The intent is that two different products from different manufacturers that both conform not only to the DECT standard, but also to the GAP profile defined within the DECT standard, are able to interoperate for basic calling. In other words, any phone that supports GAP can be registered with any base station that also supports it, and be used to make and receive calls. They will not necessarily be able to access advanced features of the base station, such as remote operation of an answering machine built into the base. Most consumer-level DECT phones and base stations support the GAP profile, even ones that do not publicise this feature, and thus can be used together.
DECT was developed by ETSI but has since been
adopted by many countries all over the world. DECT is used
in all countries in Europe, outside Europe it is used in most
of Asia, Australia and South-America. As of 2005, the FCC
changed channelization and licensing costs in a portion of
1900 MHz range spectrum which allowed DECT devices to be used
without expensive changes. DECT will operate as Unlicensed
Personal Communications Services (UPCS) - on the same frequency
as DECT has used for South America.
Digital
Enhanced Cordless Telecommunications |
DECT
- A Brief Explanation |
How
to choose a DECT cordless phone |
DECT
wireless telephony | The
future of DECT ?
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